{"id":"CVE-2026-107748","state":"PUBLISHED","title":"User Profile Builder <= 4.0.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'display_name' Parameter","description":"The User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'display_name' parameter in all versions up to, and including, 4.0.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload persists in wp_comments.comment_author independently of the user account, so removing or changing the attacker's display name after the comment is posted does not neutralize the stored script.","publishedAt":"2026-10-16T05:30:20.376Z","updatedAt":"2026-10-16T14:39:04.655Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["cozmoslabs User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor"],"affected":[{"vendor":"cozmoslabs","product":"User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.0.3","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/2f466add-992b-46c7-a1cc-5c05d59f4bdf?source=cve","https://plugins.trac.wordpress.org/browser/profile-builder/tags/4.0.3/features/functions.php#L582","https://plugins.trac.wordpress.org/browser/profile-builder/tags/4.0.3/features/functions.php#L585","https://plugins.trac.wordpress.org/browser/profile-builder/tags/4.0.3/features/functions.php#L593","https://plugins.trac.wordpress.org/browser/profile-builder/tags/4.0.3/front-end/default-fields/display-name/display-name.php#L81","https://plugins.trac.wordpress.org/changeset/3741133/profile-builder","https://plugins.trac.wordpress.org/changeset/3741133/profile-builder/trunk/features/functions.php"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/107xxx/CVE-2026-107748.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-107748","state":"PUBLISHED","datePublished":"2026-10-16T05:30:20.376Z","dateUpdated":"2026-10-16T14:39:04.655Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-10-08T18:30:17.844Z"},"containers":{"cna":{"title":"User Profile Builder <= 4.0.3 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'display_name' Parameter","descriptions":[{"lang":"en","value":"The User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'display_name' parameter in all versions up to, and including, 4.0.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The payload persists in wp_comments.comment_author independently of the user account, so removing or changing the attacker's display name after the comment is posted does not neutralize the stored script."}],"affected":[{"vendor":"cozmoslabs","product":"User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"4.0.3","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/2f466add-992b-46c7-a1cc-5c05d59f4bdf?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/profile-builder/tags/4.0.3/features/functions.php#L582"},{"url":"https://plugins.trac.wordpress.org/browser/profile-builder/tags/4.0.3/features/functions.php#L585"},{"url":"https://plugins.trac.wordpress.org/browser/profile-builder/tags/4.0.3/features/functions.php#L593"},{"url":"https://plugins.trac.wordpress.org/browser/profile-builder/tags/4.0.3/front-end/default-fields/display-name/display-name.php#L81"},{"url":"https://plugins.trac.wordpress.org/changeset/3741133/profile-builder"},{"url":"https://plugins.trac.wordpress.org/changeset/3741133/profile-builder/trunk/features/functions.php"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-10-16T05:30:20.376Z"},"credits":[{"lang":"en","type":"finder","value":"UKO"}],"timeline":[{"time":"2026-10-08T18:45:36.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-10-15T16:37:45.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-107748","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-16T14:34:33.130780Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-16T14:39:04.655Z"}}]}}}